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    <h1>
      <a href="../index.html">all files</a> / <a href="index.html">src/</a> uploader.vue
    </h1>
    <div class='clearfix'>
      <div class='fl pad1y space-right2'>
        <span class="strong">64.56% </span>
        <span class="quiet">Statements</span>
        <span class='fraction'>51/79</span>
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      <div class='fl pad1y space-right2'>
        <span class="strong">25% </span>
        <span class="quiet">Branches</span>
        <span class='fraction'>2/8</span>
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      <div class='fl pad1y space-right2'>
        <span class="strong">66.67% </span>
        <span class="quiet">Functions</span>
        <span class='fraction'>12/18</span>
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      <div class='fl pad1y space-right2'>
        <span class="strong">66.67% </span>
        <span class="quiet">Lines</span>
        <span class='fraction'>50/75</span>
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<span class="cline-any cline-neutral">&nbsp;</span></td><td class="text"><pre class="prettyprint lang-js">&lt;template&gt;
  &lt;div class="gulu-uploader"&gt;
    &lt;div @click="onClickUpload"&gt;
      &lt;slot&gt;&lt;/slot&gt;
    &lt;/div&gt;
    &lt;ol class="gulu-uploader-fileList"&gt;
      &lt;li v-for="file in fileList" :key="file.name"&gt;
&nbsp;
        &lt;template v-if="file.status === 'uploading'"&gt;
          &lt;g-icon name="loading" class="gulu-uploader-spin"&gt;&lt;/g-icon&gt;
        &lt;/template&gt;
        &lt;template v-else-if="file.type.indexOf('image') === 0"&gt;
          &lt;img class="gulu-uploader-image" :src="file.url" width="32" height="32" alt=""&gt;
        &lt;/template&gt;
        &lt;temaplte v-else&gt;
          &lt;div class="gulu-uploader-defaultImage"&gt;&lt;/div&gt;
        &lt;/temaplte&gt;
&nbsp;
&nbsp;
        &lt;span class="gulu-uploader-name" :class="{[file.status]: file.status}"&gt;{{file.name}}&lt;/span&gt;
        &lt;button class="gulu-uploader-remove" @click="onRemoveFile(file)"&gt;x&lt;/button&gt;
      &lt;/li&gt;
    &lt;/ol&gt;
    &lt;div ref="temp" style="width: 0; height: 0; overflow: hidden;"&gt;&lt;/div&gt;
  &lt;/div&gt;
&lt;/template&gt;
&nbsp;
&lt;script&gt;
  import GIcon from './icon'
  import http from './http'
&nbsp;
  export default {
    name: "GuluUploader",
    components: {GIcon},
    props: {
      name: {type: String, required: true},
      action: {type: String, required: true},
      method: {type: String, default: 'POST'},
      parseResponse: {type: Function, required: true},
      fileList: {type: Array, default: () =<span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >&gt; [</span></span>]},
      sizeLimit: {type: Number}
    },
    data () {
      return {
        url: 'about:blank'
      }
    },
    methods: {
      onClickUpload () {
        let input = this.createInput()
        input.addEventListener('change', (e) =&gt; {
          this.uploadFiles(input.files) // 单文件
          input.remove()
        })
        input.click()
      },
      onRemoveFile (file<span class="fstat-no" title="function not covered" >) {</span>
        let answer <span class="cstat-no" title="statement not covered" >= window.confirm('你确定要删除这玩意吗'</span>)
<span class="cstat-no" title="statement not covered" >        if (answer) {</span>
          let copy <span class="cstat-no" title="statement not covered" >= [...this.fileList</span>]
          let index <span class="cstat-no" title="statement not covered" >= copy.indexOf(file</span>)
<span class="cstat-no" title="statement not covered" >          copy.splice(index, 1</span>)
<span class="cstat-no" title="statement not covered" >          this.$emit('update:fileList', copy</span>)
        }
      },
      beforeUploadFiles (rawFiles, newNames) {
        rawFiles = Array.from(rawFiles)
        for (let i = 0; i &lt; rawFiles.length; i++) {
          let {size, type} = rawFiles[i]
        <span class="missing-if-branch" title="if path not taken" >I</span>  if (size &gt; this.sizeLimit) {
<span class="cstat-no" title="statement not covered" >            this.$emit('error', '文件大于2MB'</span>)
<span class="cstat-no" title="statement not covered" >            return fals</span>e
          }
        }
        let x = rawFiles.map((rawFile, i) =&gt; {
          let {type, size} = rawFile
          return {name: newNames[i], type, size, status: 'uploading'}
        })
        this.$emit('update:fileList', [...this.fileList, ...x])
        return true
      },
      afterUploadFiles (newName, url) {
        let file = this.fileList.filter(f =&gt; f.name === newName)[0]
        let index = this.fileList.indexOf(file)
        let fileCopy = JSON.parse(JSON.stringify(file))
        fileCopy.url = url
        fileCopy.status = 'success'
        let fileListCopy = [...this.fileList]
        fileListCopy.splice(index, 1, fileCopy)
        this.$emit('update:fileList', fileListCopy)
        this.$emit('uploaded')
      },
      uploadFiles (rawFiles) {
        let newNames = []
        for (let i = 0; i &lt; rawFiles.length; i++) {
          let rawFile = rawFiles[i]
          let {name, size, type} = rawFile
          let newName = this.generateName(name)
          newNames[i] = newName
        }
      <span class="missing-if-branch" title="if path not taken" >I</span>  if (!this.beforeUploadFiles(rawFiles, newNames))<span class="cstat-no" title="statement not covered" > {retur</span>n}
        for (let i = 0; i &lt; rawFiles.length; i++) {
          let rawFile = rawFiles[i]
          let newName = newNames[i]
          let formData = new FormData()
          formData.append(this.name, rawFile)
          this.doUploadFiles(formData, (response) =&gt; {
            let url = this.parseResponse(response)
            this.url = url
            this.afterUploadFiles(newName, url)
          }, (xhr) =<span class="fstat-no" title="function not covered" >&gt; {</span>
<span class="cstat-no" title="statement not covered" >            this.uploadError(xhr, newName</span>)
          })
        }
      },
      uploadError (xhr, newName<span class="fstat-no" title="function not covered" >) {</span>
        let file <span class="cstat-no" title="statement not covered" >= this.fileList.filter(f =<span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >&gt; f.name === newNam</span></span>e)[0</span>]
        let index <span class="cstat-no" title="statement not covered" >= this.fileList.indexOf(file</span>)
        let fileCopy <span class="cstat-no" title="statement not covered" >= JSON.parse(JSON.stringify(file)</span>)
<span class="cstat-no" title="statement not covered" >        fileCopy.status = 'fail</span>'
        // fileCopy.failMessage = '尺寸过大'
        let fileListCopy <span class="cstat-no" title="statement not covered" >= [...this.fileList</span>]
<span class="cstat-no" title="statement not covered" >        fileListCopy.splice(index, 1, fileCopy</span>)
<span class="cstat-no" title="statement not covered" >        this.$emit('update:fileList', fileListCopy</span>)
        let error <span class="cstat-no" title="statement not covered" >= '</span>'
<span class="cstat-no" title="statement not covered" >        if (xhr.status === 0) {</span>
<span class="cstat-no" title="statement not covered" >          error = '网络无法连接</span>'
        }
<span class="cstat-no" title="statement not covered" >        this.$emit('error', error</span>)
      },
      generateName (name) {
        while (this.fileList.filter(f =<span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >&gt; f.name === nam</span></span>e).length &gt; 0) {
          let dotIndex <span class="cstat-no" title="statement not covered" >= name.lastIndexOf('.'</span>)
          let nameWithoutExtension <span class="cstat-no" title="statement not covered" >= name.substring(0, dotIndex</span>)
          let extension <span class="cstat-no" title="statement not covered" >= name.substring(dotIndex</span>)
<span class="cstat-no" title="statement not covered" >          name = nameWithoutExtension + '(1)' + extensio</span>n
        }
        return name
      },
      doUploadFiles (formData, success, fail) {
        http[this.method.toLowerCase()](this.action, {success, fail, data: formData})
      },
      createInput () {
        this.$refs.temp.innerHTML = ''
        let input = document.createElement('input')
        input.accept = "image/png"
        input.type = 'file'
        input.multiple = true
        this.$refs.temp.appendChild(input)
        return input
      }
&nbsp;
    }
  }
&lt;/script&gt;
&nbsp;
&lt;style scoped lang="scss"&gt;
  @import "var";
  .gulu-uploader {
    &amp;-fileList {
      list-style: none;
      &gt; li {
        display: flex;
        align-items: center;
        margin: 8px 0;
        border: 1px solid darken($grey, 10%);
      }
    }
    &amp;-defaultImage {
      width: 32px;
      height: 32px;
      margin-right: 8px;
    }
    &amp;-image {
      margin-right: 8px;
      border: none;
    }
    &amp;-name {
      margin-right: auto;
      &amp;.success {
        color: green;
      }
      &amp;.fail {
        color: red;
      }
    }
    &amp;-remove {
      width: 32px;
      height: 32px;
    }
    &amp;-spin {
      width: 32px;
      height: 32px;
      @include spin;
    }
  }
&lt;/style&gt;</pre></td></tr>
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